validate.io-nonnegative-integer

Validates if a value is a nonnegative integer.

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Nonnegative Integer
!NPM versionnpm-imagenpm-url !Build Statustravis-imagetravis-url !Coverage Statuscoveralls-imagecoveralls-url !Dependenciesdependencies-imagedependencies-url
Validates if a value is a nonnegative integer.

Installation

$ npm install validate.io-nonnegative-integer

For use in the browser, use browserify.

Usage

var isValid = require( 'validate.io-nonnegative-integer' );

isValid( value )

Validates if a value is a nonnegative integer.
var value = 5;

var bool = isValid( value );
// returns true

Examples

var isValid = require( 'validate.io-nonnegative-integer' );

console.log( isValid( 5 ) );
// returns true

console.log( isValid( 0 ) );
// returns true

console.log( isValid( Math.PI ) );
// returns false

console.log( isValid( -5 ) );
// returns false

To run the example code from the top-level application directory,
$ node ./examples/index.js

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:
$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:
$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,
$ make view-cov

License

MIT license.

Copyright

Copyright © 2015. Athan Reines.